Adobe Photoshop Ch 5 Notes

1
Adobe PhotoshopCh 5 Notes

• Selecting Image Content

2
Marquee Tool

• Use the Marquee Tool to make selections that are
  regular in shape
• Rectangles
• Squares
• Ovals
• Circles

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Right click on the Marquee Tool to access

• Rectangular Marquee Tool rectangular selection
• Elliptical Marquee Tool for a round or
  elliptical selection
• Single Column or Single Row Marquee Tool to
  select a one-pixel wide area in the image. You
  can cut, copy or paste the selection to use as a
  border in another image.

4
Lasso Tool

• For making selections that are not typical or
  symmetrical in shape. For selecting an irregular
  area.

5
Lasso Tool

• Lasso - You can select an irregular area by
  dragging
• Polygonal Lasso - You can select a polygon by
  clicking to place the angles in an image that has
  a lot of angles or corners(you can use the Alt
  key while using either the Lasso tool or
  Polygonal Lasso tool to switch between freehand
  drawing and clicking to set corner pointsPress
  Delete while using any Lasso tool to remove the
  most recently drawn selection segment.)
• Magnetic Lasso - Get help selecting an irregular
  area by snapping to fastening points along the
  edge of a shape in an image.

6
Magic Wand Tool

• Use this tool if all the pixels in the area that
  you want to select are about the same color and
  adjoin one another in the image, you can use the
  Magic Wand tool to select the area by clicking.

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Selecting Pixels with the Magic Wand

• Click on the Magic Wand Tool in the Photoshop
  toolbox
• Click on the New selection button on the Options
  Bar, if needed
• Change other Settings on the Options Bar as
  needed.

8
Selecting Pixels with the Magic Wand continued.

• Change the Tolerance text box entry (between 0
  and 255)
• to specify how much variation can occur
  between the colors included in the selection.(a
  low entry results in a smaller selection zone
  composed of fewer like colors, and vice versa)

9
Selecting Pixels with the Magic Wand continued. .
.

• Leave the Anti-aliased check box checked. The
  tool will smooth the edges of the selection
• Leave the Contiguous check box checked. The tool
  will then select the matching colors on all
  layers in the picture.
• Click on the desired image color with the Magic
  Wand tool. The selection marquee will appear on
  the image.

10
Selecting by Color Range

• Works sort of like Magic Wand Tool(except that
  it lets you select all the pixels of the
  specified color in the imagenot just adjoining
  or contiguous pixels.)

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Steps for Selecting by Color Range

• Click on Color Range
• The Color Range dialog box will open
• Click on a Selection Type in the Select List
• Drag Fuzzines slide to adjust the setting if
  needed
• Click on the Eyedropper Tool to select it
• Click on the desired color in the picture.
• Click OK

12
Deselecting a Selection

1. Click on Select
2. Click on Deselect